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SYSTEMS AND METHODS FOR REFLECTION-BASED POSITIONING RELATIVE TO AN EYE
专利权人:
ALCON INC.
发明人:
Peter Zieger,Martin Gruendig,Sascha Birkner
申请号:
US16428492
公开号:
US20190374102A1
申请日:
2019.05.31
申请国别(地区):
US
年份:
2019
代理人:
摘要:
Disclosed are systems and methods for aligning an ophthalmic device with respect to an eye of a patient. In one disclosure, the system may include an ophthalmic device with an on-axis and an off-axis. The system may include an on-axis illuminator that emits light that is reflected by the eye of the patient to form an on-axis reflection having a center. The system may include an on-axis camera pointed along the on-axis. The system may include an off-axis illuminator that emits light that is reflected by the eye to form an off-axis reflection having a center. The system may include an off-axis camera pointed along the off-axis. The ophthalmic device may be operable to be aligned with respect to the eye of the patient when the on-axis is substantially normal to the center of the on-axis reflection and the off-axis is substantially normal to the center of the off-axis reflection.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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